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Nios2: do_boom_linux(): kernel gunzip input data integrity problem due to

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missing cache flush.

    Added instruction and data caches flush.

Signed-off-by: Scott McNutt <smcnutt@psyent.com>
This commit is contained in:
Renato Andreola 2009-11-23 16:45:14 -05:00 committed by Scott McNutt
parent de03825386
commit 0a7691e820
1 changed files with 5 additions and 0 deletions
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5
lib_nios2/bootm.c
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@ -24,6 +24,7 @@
#include <common.h>
#include <command.h>
#include <asm/byteorder.h>
#include <asm/cache.h>
int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
{
@ -32,6 +33,10 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
return 1;
/* flushes data and instruction caches before calling the kernel */
flush_dcache (0,CONFIG_SYS_DCACHE_SIZE);
flush_icache (0,CONFIG_SYS_ICACHE_SIZE);
/* For now we assume the Microtronix linux ... which only
* needs to be called ;-)
*/